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Fofino [41]
3 years ago
9

In the figure below, mZAHE = (6x + 7)º

Mathematics
1 answer:
Andru [333]3 years ago
8 0

Answer:

Step-by-step explanation:

∠AHE + ∠AHK = 180    {linear pair}

6x + 7 + 35 = 180

6x + 42 = 180

          6x = 180 - 42

          6x = 138

            x = 138/6

            x = 23

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X^2+3x+37=-7x
elena-s [515]

Answer:

x= -74 or -84

Step-by-step explanation:

x^2+3x+37=-7x

x^2+3x+7x+37=0

x^2+10x+37=0

this convert to following

( - b +  -  \sqrt{ {b}^{2} }  - 4 \times a \times c) \div 2 \times a

-b= -(10), a= 1, c =37

according to that

x= -74 or x= -84

8 0
3 years ago
BRAINLIEST to the one who can asnwer my question and show me the work step by step so that I can understand. I want to understan
Tanzania [10]
Edited 2018-03-09 07:49

Given unit circle, so radius=1.

We calculate lengths of vertical segments, with the help of Pythagoras Theorem, based on a right triangle radiating from circle centre O, and hypotenuse from O to a point on the circumference.
AO=1 (given unit circle)
BB'=sqrt(1^2-0.25^2)=0.968246
CC'=sqrt(1^2-0.5^2)=0.866025
DD'=sqrt(1^2-0.75^2)=0.661438
EE'=0

Now we proceed to calculate the segments approximating the arc.  Again, we use a right triangle in which the hypotenuse is the segment joining two points on the circumference.  The height is the difference between the two vertical segments, and the base is 0.25 for all four segments.
AB=sqrt((AO-BB)^2+0.25^2)=0.252009BC=sqrt((BB-CC)^2+0.25^2)=0.270091CD=sqrt((CC-DD)^2+0.25^2)=0.323042DE=sqrt((DD-0)^2+0.25^2)=0.7071068

giving a total estimation of the arc length
approximation of arc=AB+BC+CD+DE=1.55225

6 0
4 years ago
Read 2 more answers
A company makes greeting cards and their research shows that that price and demand are related linearly: p=mx +b.They know that
musickatia [10]

Answer:

p = -0.05m + 22

Step-by-step explanation:

As given in question,

The relation between the price and demand can be given by,

  • p=mx +b

where is p is price and x is demand.

Since in order to sell 300 cards the price has to be fix at $7.

So,

  7 = 300m+b <u>          </u> (1)

And for every additional card they need to drop the price by $0.05.

So,

7-0.05 = 301m+b

=>6.95 = 301m + b<u>           </u> (2)

Subtracting equation (1) from equation (2), we will have

6.95 - 7 = 301m - 300m

=>m = -0.05

By putting the value of m in equation (1), we get

7 = 300.(-0.05)+b

=> b = 22

So, the linear equation that show the relation between price and demand is given by

p = -0.05m + 22

4 0
4 years ago
1. Given s = 3x +t/r
goldenfox [79]

Answer:

Step-by-step explanation:

1). s = \frac{3x+t}{r}

   r.(s) = r.(\frac{3x+t}{r})

   rs = 3x + t

   rs - t = 3x

   \frac{rs-t}{3}=\frac{3x}{3}

   \frac{rs-t}{3}=x

   x=\frac{1}{3}(rs-t)

2). 5ax + b = c

   (5ax + b) - b = c - b

   5ax = c - b

   \frac{5ax}{5a}=\frac{c-b}{5a}

    x = \frac{1}{5}(\frac{c-b}{a})

7 0
3 years ago
Kevin bought a 5 kilogram can of peanuts for 4.50. what is the unit price.​
oksano4ka [1.4K]

Answer:

$0.90/kg

Step-by-step explanation:

4.50/5=0.90

3 0
3 years ago
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